Liposarcoma of the neck.
D000328:Adult; D006258:Head and Neck Neoplasms / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery; D006801:Humans; D008080:Liposarcoma / Q000175:diagnosis / Q000188:drug therapy / Q000473:pathology / Q000532:radiotherapy / Q000601:surgery; D008297:Male; D008727:Methotrexate / Q000627:therapeutic use
D008727:Methotrexate